1. Just add them straight onto the brain, and you save lots of time and money. And if you want to teach any other kind of skills, like electrical theory for electricity workers, well, there's a pattern for that too.
    把它们直接输入孩子的大脑就行了，这样你既省时又省钱。如果你想向孩子教授任何一种其他的技能，如教电工用的电气理论，那么，它同样有一套现成的头脑模式。

2. “That means that instead of working with them in the fields, their 6-year-old is in school learning the alphabet and how to add and subtract.
    "这就意味他们6岁大的孩子不再跟着自己在地里干活，而是要到学校里学习字母和加减法。

3. Lakes and rivers add beauty to the world.
    江河湖泊让世界变得更美。

4. Farmers add fertilizer to the soil to make plants grow better, or spray poison to kill plant pests.
    农民为了使作物长得更好而给土壤施化肥或者为了杀死害虫而喷撒农药.